Across
- 1. the distance between the threads in a screw
- 5. the rate at which work is done
- 6. a rope, belt, or chain wrapped around a grooved wheel
- 7. what a second class lever looks like
- 9. modified inclined plane that wraps around a shaft
Down
- 2. the amount of classes of levers
- 3. unit of measurement for work
- 4. a rigid bar that s free to turn at a fixed point
- 8. the unit of measurement for power
- 10. it is done when a force causes an object to move